NF G06-006-21*NF EN ISO 1833-21:2019 Textiles - Quantitative chemical analysis - Part 21 : mixtures of chlorofibres, certain modacrylics, certain elastanes, acetates, triacetates and certain other fibres (method using cyclohexanone)
2019NF G06-006-21*NF EN ISO 1833-21:2019 Textiles - Quantitative chemical analysis - Part 21 : mixtures of chlorofibres, certain modacrylics, certain elastanes, acetates, triacetates and certain other fibres (method using cyclohexanone)